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Side-by-side financial comparison of Atara Biotherapeutics, Inc. (ATRA) and REZOLVE AI PLC (RZLV). Click either name above to swap in a different company.

Atara Biotherapeutics, Inc. is the larger business by last-quarter revenue ($1.6M vs $1.2M, roughly 1.3× REZOLVE AI PLC).

Atara Biotherapeutics, Inc. is a clinical-stage biotechnology company focused on developing allogeneic T-cell immunotherapies for patients with unmet medical needs across oncology, autoimmune disease, and infectious disease indications. It operates primarily in North America, Europe, and Asia-Pacific, partnering with research institutions to advance its novel treatment pipeline.

REZOLVE AI PLC is a UK-based technology firm developing AI-powered mobile engagement and instant transaction platforms. Its solutions let consumers complete purchases directly from audio, video, and print content, serving retail, consumer goods, and media clients across Europe, North America, and select APAC markets.

ATRA vs RZLV — Head-to-Head

Bigger by revenue
ATRA
ATRA
1.3× larger
ATRA
$1.6M
$1.2M
RZLV

Income Statement — Q4 FY2025 vs Q2 FY2025

Metric
ATRA
ATRA
RZLV
RZLV
Revenue
$1.6M
$1.2M
Net Profit
$-13.0M
Gross Margin
Operating Margin
-808.4%
Net Margin
-1078.8%
Revenue YoY
-95.1%
Net Profit YoY
73.2%
EPS (diluted)

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
ATRA
ATRA
RZLV
RZLV
Q4 25
$1.6M
Q3 25
$3.5M
Q2 25
$17.6M
$1.2M
Q1 25
$98.1M
Q4 24
$32.8M
Q3 24
$40.2M
Q2 24
$28.6M
Q1 24
$27.4M
Net Profit
ATRA
ATRA
RZLV
RZLV
Q4 25
Q3 25
$-4.3M
Q2 25
$2.4M
$-13.0M
Q1 25
$38.0M
Q4 24
$-12.7M
Q3 24
$-21.9M
Q2 24
$-19.0M
Q1 24
$-31.8M
Operating Margin
ATRA
ATRA
RZLV
RZLV
Q4 25
Q3 25
-103.5%
Q2 25
18.2%
-808.4%
Q1 25
39.5%
Q4 24
-37.3%
Q3 24
-54.1%
Q2 24
-63.7%
Q1 24
-114.2%
Net Margin
ATRA
ATRA
RZLV
RZLV
Q4 25
Q3 25
-124.6%
Q2 25
13.6%
-1078.8%
Q1 25
38.7%
Q4 24
-38.8%
Q3 24
-54.5%
Q2 24
-66.5%
Q1 24
-116.1%
EPS (diluted)
ATRA
ATRA
RZLV
RZLV
Q4 25
Q3 25
$-0.32
Q2 25
$0.19
Q1 25
$3.50
Q4 24
$0.27
Q3 24
$-2.93
Q2 24
$-3.10
Q1 24
$-5.65

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
ATRA
ATRA
RZLV
RZLV
Cash + ST InvestmentsLiquidity on hand
$8.5M
Total DebtLower is stronger
Stockholders' EquityBook value
$-38.5M
$-14.3M
Total Assets
$20.2M
$80.1M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ATRA
ATRA
RZLV
RZLV
Q4 25
$8.5M
Q3 25
$13.7M
Q2 25
$22.3M
Q1 25
$13.8M
Q4 24
$42.5M
Q3 24
$67.2M
Q2 24
$35.3M
Q1 24
$46.2M
Stockholders' Equity
ATRA
ATRA
RZLV
RZLV
Q4 25
$-38.5M
Q3 25
$-36.6M
Q2 25
$-35.0M
$-14.3M
Q1 25
$-55.1M
Q4 24
$-97.3M
Q3 24
$-90.5M
Q2 24
$-110.9M
Q1 24
$-98.3M
Total Assets
ATRA
ATRA
RZLV
RZLV
Q4 25
$20.2M
Q3 25
$30.2M
Q2 25
$36.9M
$80.1M
Q1 25
$62.0M
Q4 24
$109.1M
Q3 24
$142.7M
Q2 24
$117.3M
Q1 24
$165.3M

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
ATRA
ATRA
RZLV
RZLV
Operating Cash FlowLast quarter
$-50.9M
$-4.9M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
0.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ATRA
ATRA
RZLV
RZLV
Q4 25
$-50.9M
Q3 25
$-9.8M
Q2 25
$-7.3M
$-4.9M
Q1 25
$-28.1M
Q4 24
$-24.5M
Q3 24
$-4.0M
Q2 24
$-10.6M
Q1 24
$-29.6M
Free Cash Flow
ATRA
ATRA
RZLV
RZLV
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
$-24.6M
Q3 24
Q2 24
$-10.7M
Q1 24
$-29.7M
FCF Margin
ATRA
ATRA
RZLV
RZLV
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
-75.0%
Q3 24
Q2 24
-37.3%
Q1 24
-108.7%
Capex Intensity
ATRA
ATRA
RZLV
RZLV
Q4 25
0.0%
Q3 25
0.0%
Q2 25
0.0%
Q1 25
0.0%
Q4 24
0.3%
Q3 24
0.0%
Q2 24
0.1%
Q1 24
0.5%
Cash Conversion
ATRA
ATRA
RZLV
RZLV
Q4 25
Q3 25
Q2 25
-3.07×
Q1 25
-0.74×
Q4 24
Q3 24
Q2 24
Q1 24

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

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